:root {
  color-scheme: light;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #202124;
  background: #f7f8fa;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
}

header {
  border-bottom: 1px solid #e2e5e9;
  background: #ffffff;
}

nav,
main,
footer {
  width: min(760px, calc(100% - 40px));
  margin: 0 auto;
}

nav {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

nav a,
footer a {
  color: #1659a5;
  text-decoration: none;
}

nav strong {
  color: #111827;
}

main {
  padding: 48px 0 56px;
}

h1 {
  margin: 0 0 12px;
  font-size: 32px;
  letter-spacing: 0;
}

h2 {
  margin: 36px 0 12px;
  font-size: 20px;
  letter-spacing: 0;
}

p,
li {
  line-height: 1.7;
}

.summary {
  color: #5f6672;
}

.notice {
  margin: 24px 0;
  padding: 18px;
  border: 1px solid #d8dee7;
  border-radius: 6px;
  background: #ffffff;
}

footer {
  padding: 24px 0 40px;
  border-top: 1px solid #e2e5e9;
  color: #646b76;
  font-size: 14px;
}

@media (max-width: 560px) {
  nav {
    align-items: flex-start;
    flex-direction: column;
    justify-content: center;
    padding: 14px 0;
  }

  main {
    padding-top: 32px;
  }

  h1 {
    font-size: 27px;
  }
}